San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Dennis Trang

SAN JOSE, CA

Bib: 15321 M 26

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
9:13/mi
12:54
→ flat
11 ft elev
2.13M
19:19/mi
27:00
→ flat
13 ft elev
6.43M
11:46/mi
1:17:36
↑ 274↓ 780.9%
213 ft elev
6.62M
-33:-31/mi
1:11:25
↑ 161.6%
239 ft elev
10.65M
10:41/mi
1:54:30
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
11:26/mi
2:22:36
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:11:2510:47 /mi⚖️ balanced
2nd Half
1:11:1110:58 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
12:549:131.40 mi12:54
9:13
-
2.13M
27:0012:410.73 mi14:06
19:19
+10:06
6.43M
1:17:3612:044.30 mi50:36
11:46
-7:33
6.62M
1:11:2510:470.19 mi
-33:-31
-45:17
10.65M
1:54:3010:454.03 mi43:05
10:41
+44:12
Finish(13.11 mi)
2:22:3610:532.46 mi28:06
11:26
+0:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-31 /mi

Average Pace

10:53 /mi

Slowest Pace

19:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22:36

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi2754180642827541806428
2.13M0.73 mi2906-1521881-75435-732272057465
6.43M4.30 mi2815+911856+25427+828761871435
6.62M0.19 mi2953-1381912-56438-11---
10.65M4.03 mi3265-3122077-165472-3438342340529
Finish(13.11 mi)2.46 mi3579-3142229-152508-3645252647581

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 45%
~flat
+3ft-2ft

Overall

2754

Males

1806

M25-29

431

1.40M→2.13M

1.4 - 2.1 mi

Top 53%
~flat
+3ft-1ft

Overall

3227

Males

2057

M25-29

471

2.13M→6.43M

2.1 - 6.4 mi

Top 47%
×17story building
+274ft-78ft

Overall

2876

Males

1871

M25-29

437

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 63%
×21story building
+153ft-361ft

Overall

3834

Males

2340

M25-29

530

10.65M→Finish

10.7 - 13.1 mi

Top 75%
×17story building
+244ft-114ft

Overall

4525

Males

2647

M25-29

581

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2754
1.40M → 2.13M
263111-152
#2754 → #2906
2.13M → 6.43M
215306*+91
#2906 → #2815
6.43M → 6.62M
16022-138
#2815 → #2953
6.62M → 10.65M
35745*-312
#2953 → #3265
10.65M → Finish
33016*-314
#3265 → #3579
TOTALS
1325500*-825
#2754 → #3579

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events